2006-08-29 Paul Brook <paul@codesourcery.com>

	newlib/
	* acconfig.h (_ATEXIT_DYNAMIC_ALLOC): Remove.
	* configure.in: Remove --disable-newlib-atexit-dynamic-alloc.
	* libc/stdlib/__atexit.c (__register_exitproc): Use weak reference to
	malloc.  Only allocate dynamically if it is present.
	* libc/stdlib/__call_atexit.c (__call_exitprocs): Use weak reference
	to free.
	* configure: Regenerate.
	* newlib.hin: Regenerate.

7 files changed, 104 insertions, 136 deletions

diff --git a/ChangeLog.csl b/ChangeLog.csl
index aa1ce2561..df4dfe4fd 100644
--- a/ChangeLog.csl
+++ b/ChangeLog.csl
@@ -1,6 +1,18 @@
 2006-08-29  Paul Brook  <paul@codesourcery.com>
 
 	newlib/
+	* acconfig.h (_ATEXIT_DYNAMIC_ALLOC): Remove.
+	* configure.in: Remove --disable-newlib-atexit-dynamic-alloc.
+	* libc/stdlib/__atexit.c (__register_exitproc): Use weak reference to
+	malloc.  Only allocate dynamically if it is present.
+	* libc/stdlib/__call_atexit.c (__call_exitprocs): Use weak reference
+	to free.
+	* configure: Regenerate.
+	* newlib.hin: Regenerate.
+
+2006-08-29  Paul Brook  <paul@codesourcery.com>
+
+	newlib/
 	* libc/include/sys/config.h: Define _REENT_SMALL for Thumb-2.
 
 2006-08-25  Nathan Sidwell  <nathan@codesourcery.com>
diff --git a/newlib/acconfig.h b/newlib/acconfig.h
index 86f484ec4..033951c21 100644
--- a/newlib/acconfig.h
+++ b/newlib/acconfig.h
@@ -34,10 +34,6 @@
  * sections.  */
 #undef  HAVE_INITFINI_ARRAY
 
-/* True if atexit() may dynamically allocate space for cleanup
-   functions.  */
-#undef  _ATEXIT_DYNAMIC_ALLOC
-
 /* Define if the compiler supports aliasing an array to an address.  */
 #undef  _HAVE_ARRAY_ALIASING
 @BOTTOM@
diff --git a/newlib/configure b/newlib/configure
index ce9246a31..6ae5695c5 100755
--- a/newlib/configure
+++ b/newlib/configure
@@ -28,8 +28,6 @@ ac_help="$ac_help
 ac_help="$ac_help
   --enable-newlib-iconv-external-ccs     enable capabilities to load external CCS files for iconv"
 ac_help="$ac_help
-  --disable-newlib-atexit-alloc    disable dynamic allocation of atexit entries"
-ac_help="$ac_help
   --enable-multilib         build many library versions (default)"
 ac_help="$ac_help
   --enable-target-optspace  optimize for space"
@@ -694,20 +692,6 @@ else
   newlib_iconv_external_ccs=${newlib_iconv_external_ccs}
 fi
 
-# Check whether --enable-newlib-atexit-dynamic-alloc or --disable-newlib-atexit-dynamic-alloc was given.
-if test "${enable_newlib_atexit_dynamic_alloc+set}" = set; then
-  enableval="$enable_newlib_atexit_dynamic_alloc"
-  if test "${newlib_atexit_dynamic_alloc+set}" != set; then
-  case "${enableval}" in
-    yes) newlib_atexit_dynamic_alloc=yes ;;
-    no)  newlib_atexit_dynamic_alloc=no  ;;
-    *)   { echo "configure: error: bad value ${enableval} for newlib-atexit-dynamic-alloc option" 1>&2; exit 1; } ;;
-  esac
- fi
-else
-  newlib_atexit_dynamic_alloc=yes
-fi
-
 am__api_version="1.4"
 # Find a good install program.  We prefer a C program (faster),
 # so one script is as good as another.  But avoid the broken or
@@ -721,7 +705,7 @@ am__api_version="1.4"
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:725: checking for a BSD compatible install" >&5
+echo "configure:709: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -774,7 +758,7 @@ test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL_PROGRAM}'
 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 
 echo $ac_n "checking whether build environment is sane""... $ac_c" 1>&6
-echo "configure:778: checking whether build environment is sane" >&5
+echo "configure:762: checking whether build environment is sane" >&5
 # Just in case
 sleep 1
 echo timestamp > conftestfile
@@ -831,7 +815,7 @@ test "$program_suffix" != NONE &&
 test "$program_transform_name" = "" && program_transform_name="s,x,x,"
 
 echo $ac_n "checking whether ${MAKE-make} sets \${MAKE}""... $ac_c" 1>&6
-echo "configure:835: checking whether ${MAKE-make} sets \${MAKE}" >&5
+echo "configure:819: checking whether ${MAKE-make} sets \${MAKE}" >&5
 set dummy ${MAKE-make}; ac_make=`echo "$2" | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_prog_make_${ac_make}_set'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -864,12 +848,12 @@ else
 fi
 
 echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6
-echo "configure:868: checking for Cygwin environment" >&5
+echo "configure:852: checking for Cygwin environment" >&5
 if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 873 "configure"
+#line 857 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -880,7 +864,7 @@ int main() {
 return __CYGWIN__;
 ; return 0; }
 EOF
-if { (eval echo configure:884: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:868: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_cygwin=yes
 else
@@ -897,19 +881,19 @@ echo "$ac_t""$ac_cv_cygwin" 1>&6
 CYGWIN=
 test "$ac_cv_cygwin" = yes && CYGWIN=yes
 echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6
-echo "configure:901: checking for mingw32 environment" >&5
+echo "configure:885: checking for mingw32 environment" >&5
 if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 906 "configure"
+#line 890 "configure"
 #include "confdefs.h"
 
 int main() {
 return __MINGW32__;
 ; return 0; }
 EOF
-if { (eval echo configure:913: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:897: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   ac_cv_mingw32=yes
 else
@@ -1079,7 +1063,7 @@ else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking host system type""... $ac_c" 1>&6
-echo "configure:1083: checking host system type" >&5
+echo "configure:1067: checking host system type" >&5
 
 host_alias=$host
 case "$host_alias" in
@@ -1100,7 +1084,7 @@ host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$host" 1>&6
 
 echo $ac_n "checking target system type""... $ac_c" 1>&6
-echo "configure:1104: checking target system type" >&5
+echo "configure:1088: checking target system type" >&5
 
 target_alias=$target
 case "$target_alias" in
@@ -1118,7 +1102,7 @@ target_os=`echo $target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
 echo "$ac_t""$target" 1>&6
 
 echo $ac_n "checking build system type""... $ac_c" 1>&6
-echo "configure:1122: checking build system type" >&5
+echo "configure:1106: checking build system type" >&5
 
 build_alias=$build
 case "$build_alias" in
@@ -1154,7 +1138,7 @@ fi
 
 missing_dir=`cd $ac_aux_dir && pwd`
 echo $ac_n "checking for working aclocal-${am__api_version}""... $ac_c" 1>&6
-echo "configure:1158: checking for working aclocal-${am__api_version}" >&5
+echo "configure:1142: checking for working aclocal-${am__api_version}" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1167,7 +1151,7 @@ else
 fi
 
 echo $ac_n "checking for working autoconf""... $ac_c" 1>&6
-echo "configure:1171: checking for working autoconf" >&5
+echo "configure:1155: checking for working autoconf" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1180,7 +1164,7 @@ else
 fi
 
 echo $ac_n "checking for working automake-${am__api_version}""... $ac_c" 1>&6
-echo "configure:1184: checking for working automake-${am__api_version}" >&5
+echo "configure:1168: checking for working automake-${am__api_version}" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1193,7 +1177,7 @@ else
 fi
 
 echo $ac_n "checking for working autoheader""... $ac_c" 1>&6
-echo "configure:1197: checking for working autoheader" >&5
+echo "configure:1181: checking for working autoheader" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1206,7 +1190,7 @@ else
 fi
 
 echo $ac_n "checking for working makeinfo""... $ac_c" 1>&6
-echo "configure:1210: checking for working makeinfo" >&5
+echo "configure:1194: checking for working makeinfo" >&5
 # Run test in a subshell; some versions of sh will print an error if
 # an executable is not found, even if stderr is redirected.
 # Redirect stdin to placate older versions of autoconf.  Sigh.
@@ -1231,7 +1215,7 @@ fi
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1235: checking for $ac_word" >&5
+echo "configure:1219: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1261,7 +1245,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1265: checking for $ac_word" >&5
+echo "configure:1249: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1310,7 +1294,7 @@ fi
 fi
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1314: checking whether we are using GNU C" >&5
+echo "configure:1298: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1319,7 +1303,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1323: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1307: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1334,7 +1318,7 @@ if test $ac_cv_prog_gcc = yes; then
   ac_save_CFLAGS="$CFLAGS"
   CFLAGS=
   echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1338: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1322: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1365,7 +1349,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args.
 set dummy ${ac_tool_prefix}as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1369: checking for $ac_word" >&5
+echo "configure:1353: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1397,7 +1381,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ar; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1401: checking for $ac_word" >&5
+echo "configure:1385: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1429,7 +1413,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1433: checking for $ac_word" >&5
+echo "configure:1417: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1461,7 +1445,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1465: checking for $ac_word" >&5
+echo "configure:1449: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1506,7 +1490,7 @@ fi
 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
 # ./install, which can be erroneously created by make from ./install.sh.
 echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6
-echo "configure:1510: checking for a BSD compatible install" >&5
+echo "configure:1494: checking for a BSD compatible install" >&5
 if test -z "$INSTALL"; then
 if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -1563,7 +1547,7 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
 ac_given_INSTALL=$INSTALL
 
 echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:1567: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:1551: checking whether to enable maintainer-specific portions of Makefiles" >&5
     # Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
 if test "${enable_maintainer_mode+set}" = set; then
   enableval="$enable_maintainer_mode"
@@ -1597,7 +1581,7 @@ if false; then
   
 
 echo $ac_n "checking for executable suffix""... $ac_c" 1>&6
-echo "configure:1601: checking for executable suffix" >&5
+echo "configure:1585: checking for executable suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1607,10 +1591,10 @@ else
   rm -f conftest*
   echo 'int main () { return 0; }' > conftest.$ac_ext
   ac_cv_exeext=
-  if { (eval echo configure:1611: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
+  if { (eval echo configure:1595: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then
     for file in conftest.*; do
       case $file in
-      *.c | *.o | *.obj) ;;
+      *.$ac_ext | *.c | *.o | *.obj) ;;
       *) ac_cv_exeext=`echo $file | sed -e s/conftest//` ;;
       esac
     done
@@ -1782,7 +1766,7 @@ fi
 # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1786: checking for $ac_word" >&5
+echo "configure:1770: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1812,7 +1796,7 @@ if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1816: checking for $ac_word" >&5
+echo "configure:1800: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1863,7 +1847,7 @@ fi
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1867: checking for $ac_word" >&5
+echo "configure:1851: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1895,7 +1879,7 @@ fi
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1899: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1883: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
@@ -1906,12 +1890,12 @@ cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1910 "configure"
+#line 1894 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1915: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1899: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
@@ -1937,12 +1921,12 @@ if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1941: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1925: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1946: checking whether we are using GNU C" >&5
+echo "configure:1930: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1951,7 +1935,7 @@ else
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1955: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1939: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
@@ -1970,7 +1954,7 @@ ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1974: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1958: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2013,7 +1997,7 @@ ac_prog=ld
 if test "$GCC" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
   echo $ac_n "checking for ld used by GCC""... $ac_c" 1>&6
-echo "configure:2017: checking for ld used by GCC" >&5
+echo "configure:2001: checking for ld used by GCC" >&5
   case $host in
   *-*-mingw*)
     # gcc leaves a trailing carriage return which upsets mingw
@@ -2043,10 +2027,10 @@ echo "configure:2017: checking for ld used by GCC" >&5
   esac
 elif test "$with_gnu_ld" = yes; then
   echo $ac_n "checking for GNU ld""... $ac_c" 1>&6
-echo "configure:2047: checking for GNU ld" >&5
+echo "configure:2031: checking for GNU ld" >&5
 else
   echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
-echo "configure:2050: checking for non-GNU ld" >&5
+echo "configure:2034: checking for non-GNU ld" >&5
 fi
 if eval "test \"`echo '$''{'lt_cv_path_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -2081,7 +2065,7 @@ else
 fi
 test -z "$LD" && { echo "configure: error: no acceptable ld found in \$PATH" 1>&2; exit 1; }
 echo $ac_n "checking if the linker ($LD) is GNU ld""... $ac_c" 1>&6
-echo "configure:2085: checking if the linker ($LD) is GNU ld" >&5
+echo "configure:2069: checking if the linker ($LD) is GNU ld" >&5
 if eval "test \"`echo '$''{'lt_cv_prog_gnu_ld'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2098,7 +2082,7 @@ with_gnu_ld=$lt_cv_prog_gnu_ld
 
 
 echo $ac_n "checking for $LD option to reload object files""... $ac_c" 1>&6
-echo "configure:2102: checking for $LD option to reload object files" >&5
+echo "configure:2086: checking for $LD option to reload object files" >&5
 if eval "test \"`echo '$''{'lt_cv_ld_reload_flag'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2110,7 +2094,7 @@ reload_flag=$lt_cv_ld_reload_flag
 test -n "$reload_flag" && reload_flag=" $reload_flag"
 
 echo $ac_n "checking for BSD-compatible nm""... $ac_c" 1>&6
-echo "configure:2114: checking for BSD-compatible nm" >&5
+echo "configure:2098: checking for BSD-compatible nm" >&5
 if eval "test \"`echo '$''{'lt_cv_path_NM'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2148,7 +2132,7 @@ NM="$lt_cv_path_NM"
 echo "$ac_t""$NM" 1>&6
 
 echo $ac_n "checking whether ln -s works""... $ac_c" 1>&6
-echo "configure:2152: checking whether ln -s works" >&5
+echo "configure:2136: checking whether ln -s works" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LN_S'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2169,7 +2153,7 @@ else
 fi
 
 echo $ac_n "checking how to recognise dependant libraries""... $ac_c" 1>&6
-echo "configure:2173: checking how to recognise dependant libraries" >&5
+echo "configure:2157: checking how to recognise dependant libraries" >&5
 if eval "test \"`echo '$''{'lt_cv_deplibs_check_method'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2342,13 +2326,13 @@ file_magic_cmd=$lt_cv_file_magic_cmd
 deplibs_check_method=$lt_cv_deplibs_check_method
 
 echo $ac_n "checking for object suffix""... $ac_c" 1>&6
-echo "configure:2346: checking for object suffix" >&5
+echo "configure:2330: checking for object suffix" >&5
 if eval "test \"`echo '$''{'ac_cv_objext'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   rm -f conftest*
 echo 'int i = 1;' > conftest.$ac_ext
-if { (eval echo configure:2352: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2336: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   for ac_file in conftest.*; do
     case $ac_file in
     *.c) ;;
@@ -2372,7 +2356,7 @@ case $deplibs_check_method in
 file_magic*)
   if test "$file_magic_cmd" = '$MAGIC_CMD'; then
     echo $ac_n "checking for ${ac_tool_prefix}file""... $ac_c" 1>&6
-echo "configure:2376: checking for ${ac_tool_prefix}file" >&5
+echo "configure:2360: checking for ${ac_tool_prefix}file" >&5
 if eval "test \"`echo '$''{'lt_cv_path_MAGIC_CMD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2434,7 +2418,7 @@ fi
 if test -z "$lt_cv_path_MAGIC_CMD"; then
   if test -n "$ac_tool_prefix"; then
     echo $ac_n "checking for file""... $ac_c" 1>&6
-echo "configure:2438: checking for file" >&5
+echo "configure:2422: checking for file" >&5
 if eval "test \"`echo '$''{'lt_cv_path_MAGIC_CMD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2505,7 +2489,7 @@ esac
 # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2509: checking for $ac_word" >&5
+echo "configure:2493: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2537,7 +2521,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2541: checking for $ac_word" >&5
+echo "configure:2525: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2572,7 +2556,7 @@ fi
 # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
 set dummy ${ac_tool_prefix}strip; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2576: checking for $ac_word" >&5
+echo "configure:2560: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2604,7 +2588,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "strip", so it can be a program name with args.
 set dummy strip; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2608: checking for $ac_word" >&5
+echo "configure:2592: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2671,8 +2655,8 @@ test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
 case $host in
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 2675 "configure"' > conftest.$ac_ext
-  if { (eval echo configure:2676: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  echo '#line 2659 "configure"' > conftest.$ac_ext
+  if { (eval echo configure:2660: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
     case `/usr/bin/file conftest.$ac_objext` in
     *32-bit*)
       LD="${LD-ld} -32"
@@ -2691,7 +2675,7 @@ case $host in
 ia64-*-hpux*)
   # Find out which ABI we are using.
   echo 'int i;' > conftest.$ac_ext
-  if { (eval echo configure:2695: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+  if { (eval echo configure:2679: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
     case "`/usr/bin/file conftest.o`" in
     *ELF-32*)
       HPUX_IA64_MODE="32"
@@ -2709,7 +2693,7 @@ ia64-*-hpux*)
   SAVE_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -belf"
   echo $ac_n "checking whether the C compiler needs -belf""... $ac_c" 1>&6
-echo "configure:2713: checking whether the C compiler needs -belf" >&5
+echo "configure:2697: checking whether the C compiler needs -belf" >&5
 if eval "test \"`echo '$''{'lt_cv_cc_needs_belf'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2722,14 +2706,14 @@ ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$a
 cross_compiling=$ac_cv_prog_cc_cross
 
      cat > conftest.$ac_ext <<EOF
-#line 2726 "configure"
+#line 2710 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:2733: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2717: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   lt_cv_cc_needs_belf=yes
 else
@@ -2759,7 +2743,7 @@ echo "$ac_t""$lt_cv_cc_needs_belf" 1>&6
   # Extract the first word of "${ac_tool_prefix}dlltool", so it can be a program name with args.
 set dummy ${ac_tool_prefix}dlltool; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2763: checking for $ac_word" >&5
+echo "configure:2747: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2791,7 +2775,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "dlltool", so it can be a program name with args.
 set dummy dlltool; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2795: checking for $ac_word" >&5
+echo "configure:2779: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_DLLTOOL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2826,7 +2810,7 @@ fi
   # Extract the first word of "${ac_tool_prefix}as", so it can be a program name with args.
 set dummy ${ac_tool_prefix}as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2830: checking for $ac_word" >&5
+echo "configure:2814: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2858,7 +2842,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "as", so it can be a program name with args.
 set dummy as; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2862: checking for $ac_word" >&5
+echo "configure:2846: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2893,7 +2877,7 @@ fi
   # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args.
 set dummy ${ac_tool_prefix}objdump; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2897: checking for $ac_word" >&5
+echo "configure:2881: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2925,7 +2909,7 @@ if test -n "$ac_tool_prefix"; then
   # Extract the first word of "objdump", so it can be a program name with args.
 set dummy objdump; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2929: checking for $ac_word" >&5
+echo "configure:2913: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_OBJDUMP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2961,12 +2945,12 @@ fi
   # recent cygwin and mingw systems supply a stub DllMain which the user
   # can override, but on older systems we have to supply one
   echo $ac_n "checking if libtool should supply DllMain function""... $ac_c" 1>&6
-echo "configure:2965: checking if libtool should supply DllMain function" >&5
+echo "configure:2949: checking if libtool should supply DllMain function" >&5
 if eval "test \"`echo '$''{'lt_cv_need_dllmain'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2970 "configure"
+#line 2954 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -2974,7 +2958,7 @@ extern int __attribute__((__stdcall__)) DllMain(void*, int, void*);
       DllMain (0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:2978: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2962: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   lt_cv_need_dllmain=no
 else
@@ -2995,19 +2979,19 @@ echo "$ac_t""$lt_cv_need_dllmain" 1>&6
     SAVE_CFLAGS="$CFLAGS"
     CFLAGS="$CFLAGS -mdll"
     echo $ac_n "checking how to link DLLs""... $ac_c" 1>&6
-echo "configure:2999: checking how to link DLLs" >&5
+echo "configure:2983: checking how to link DLLs" >&5
 if eval "test \"`echo '$''{'lt_cv_cc_dll_switch'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3004 "configure"
+#line 2988 "configure"
 #include "confdefs.h"
 
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:3011: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2995: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   lt_cv_cc_dll_switch=-mdll
 else
@@ -3116,12 +3100,12 @@ exec 5>>./config.log
   
 	 
 	 
-for ac_prog in gawk mawk nawk awk
+for ac_prog in mawk gawk nawk awk
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:3125: checking for $ac_word" >&5
+echo "configure:3109: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AWK'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3334,13 +3318,6 @@ EOF
 
 fi
 
-if test "${newlib_atexit_dynamic_alloc}" = "yes"; then
-cat >> confdefs.h <<EOF
-#define _ATEXIT_DYNAMIC_ALLOC 1
-EOF
-
-fi
-
 cat >> confdefs.h <<EOF
 #define _NEWLIB_VERSION "$VERSION"
 EOF
@@ -3445,7 +3422,7 @@ EOF
 fi;
 
 echo $ac_n "checking for .preinit_array/.init_array/.fini_array support""... $ac_c" 1>&6
-echo "configure:3449: checking for .preinit_array/.init_array/.fini_array support" >&5
+echo "configure:3426: checking for .preinit_array/.init_array/.fini_array support" >&5
 if eval "test \"`echo '$''{'libc_cv_initfinit_array'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3456,7 +3433,7 @@ int foo (void) { return 1; }
 int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;
 EOF
 if { ac_try='${CC} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest conftest.c
-		   -static -nostartfiles -nostdlib 1>&AS_MESSAGE_LOG_FD'; { (eval echo configure:3460: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+		   -static -nostartfiles -nostdlib 1>&AS_MESSAGE_LOG_FD'; { (eval echo configure:3437: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
 then
   if readelf -S conftest | grep -e INIT_ARRAY > /dev/null; then
     libc_cv_initfinit_array=yes
@@ -3479,7 +3456,7 @@ EOF
 fi
 
 echo $ac_n "checking for array aliasing support""... $ac_c" 1>&6
-echo "configure:3483: checking for array aliasing support" >&5
+echo "configure:3460: checking for array aliasing support" >&5
 if eval "test \"`echo '$''{'libc_cv_array_aliasing'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -3488,7 +3465,7 @@ char x3 = { 'a', 'b', 'c' };
 extern char y2 __attribute__((alias ("x+1")));
 EOF
 if { ac_try='${CC} $CFLAGS $CPPFLAGS -c conftest.c
-		   1>&AS_MESSAGE_LOG_FD'; { (eval echo configure:3492: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
+		   1>&AS_MESSAGE_LOG_FD'; { (eval echo configure:3469: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }
 then
   libc_cv_array_aliasing=yes
 else
@@ -4050,7 +4027,7 @@ if test "$no_recursion" != yes; then
       fi
     fi
 
-    cd $ac_popdir
+    cd "$ac_popdir"
   done
 fi
 
diff --git a/newlib/configure.in b/newlib/configure.in
index c8dc21176..5374d67eb 100644
--- a/newlib/configure.in
+++ b/newlib/configure.in
@@ -85,17 +85,6 @@ AC_ARG_ENABLE(newlib-iconv-external-ccs,
    esac
  fi], [newlib_iconv_external_ccs=${newlib_iconv_external_ccs}])dnl
 
-dnl Support --disable-newlib-atexit-dynamic-alloc
-AC_ARG_ENABLE(newlib-atexit-dynamic-alloc,
-[  --disable-newlib-atexit-alloc    disable dynamic allocation of atexit entries],
-[if test "${newlib_atexit_dynamic_alloc+set}" != set; then
-  case "${enableval}" in
-    yes) newlib_atexit_dynamic_alloc=yes ;;
-    no)  newlib_atexit_dynamic_alloc=no  ;;
-    *)   AC_MSG_ERROR(bad value ${enableval} for newlib-atexit-dynamic-alloc option) ;;
-  esac
- fi], [newlib_atexit_dynamic_alloc=yes])dnl
-
 NEWLIB_CONFIGURE(.)
 
 dnl We have to enable libtool after NEWLIB_CONFIGURE because if we try and
@@ -243,10 +232,6 @@ if test "${newlib_iconv_external_ccs}" = "yes"; then
 AC_DEFINE_UNQUOTED(_ICONV_ENABLE_EXTERNAL_CCS)
 fi
 
-if test "${newlib_atexit_dynamic_alloc}" = "yes"; then
-AC_DEFINE_UNQUOTED(_ATEXIT_DYNAMIC_ALLOC)
-fi
-
 AC_DEFINE_UNQUOTED(_NEWLIB_VERSION,"$VERSION")
 
 if test "${multilib}" = "yes"; then
diff --git a/newlib/libc/stdlib/__atexit.c b/newlib/libc/stdlib/__atexit.c
index 49eebb37e..57aeb1b6d 100644
--- a/newlib/libc/stdlib/__atexit.c
+++ b/newlib/libc/stdlib/__atexit.c
@@ -8,6 +8,8 @@
 #include <sys/lock.h>
 #include "atexit.h"
 
+/* Make this a weak reference to avoid pulling in malloc.  */
+void * malloc(size_t) __attribute__((weak));
 
 /*
  * Register a function to be performed at exit or on shared library unload.
@@ -35,9 +37,8 @@ _DEFUN (__register_exitproc,
     _GLOBAL_REENT->_atexit = p = &_GLOBAL_REENT->_atexit0;
   if (p->_ind >= _ATEXIT_SIZE)
     {
-#ifndef _ATEXIT_DYNAMIC_ALLOC
-      return -1;
-#else
+      if (!malloc)
+	return -1;
       p = (struct _atexit *) malloc (sizeof *p);
       if (p == NULL)
 	{
@@ -53,7 +54,6 @@ _DEFUN (__register_exitproc,
       p->_on_exit_args._fntypes = 0;
       p->_on_exit_args._is_cxa = 0;
 #endif
-#endif
     }
 
   if (type != __et_atexit)
diff --git a/newlib/libc/stdlib/__call_atexit.c b/newlib/libc/stdlib/__call_atexit.c
index 6fa398ae2..60c3c01cf 100644
--- a/newlib/libc/stdlib/__call_atexit.c
+++ b/newlib/libc/stdlib/__call_atexit.c
@@ -12,6 +12,9 @@
  * otherwise only the handlers from that DSO are called.
  */
 
+/* Make this a weak reference to avoid pulling in malloc.  */
+void free(void *) __attribute__((weak));
+
 void 
 _DEFUN (__call_exitprocs, (code, d),
 	int code _AND _PTR d)
@@ -61,9 +64,9 @@ _DEFUN (__call_exitprocs, (code, d),
 	    (*((void (*)(_PTR)) fn))(args->_fnargs[n]);
 	}
 
-#ifndef _ATEXIT_DYNAMIC_ALLOC
-      break;
-#else
+      if (!free)
+	break;
+
       /* Move to the next block.  Free empty blocks except the last one,
 	 which is part of _GLOBAL_REENT.  */
       if (p->_ind == 0 && p->_next)
@@ -82,6 +85,5 @@ _DEFUN (__call_exitprocs, (code, d),
 	  lastp = &p->_next;
 	  p = p->_next;
 	}
-#endif
     }
 }
diff --git a/newlib/newlib.hin b/newlib/newlib.hin
index 207192897..b716ab5b2 100644
--- a/newlib/newlib.hin
+++ b/newlib/newlib.hin
@@ -34,10 +34,6 @@
  * sections.  */
 #undef  HAVE_INITFINI_ARRAY
 
-/* True if atexit() may dynamically allocate space for cleanup
-   functions.  */
-#undef  _ATEXIT_DYNAMIC_ALLOC
-
 /* Define if the compiler supports aliasing an array to an address.  */
 #undef  _HAVE_ARRAY_ALIASING
 /*